diff --git a/src/print_cpu_usage.c b/src/print_cpu_usage.c
index bc4b784c..a7ee2e46 100644
--- a/src/print_cpu_usage.c
+++ b/src/print_cpu_usage.c
@@ -39,6 +39,13 @@
 #include "i3status.h"
 
 struct cpu_usage {
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
+    long user;
+    long nice;
+    long system;
+    long idle;
+    long total;
+#else
     int user;
     int nice;
     int system;
@@ -47,6 +54,7 @@ struct cpu_usage {
     int spin;
 #endif
     int total;
+#endif
 };
 
 #if defined(__linux__)
@@ -66,7 +74,12 @@ void print_cpu_usage(cpu_usage_ctx_t *ctx) {
     const char *walk;
     char *outwalk = ctx->buf;
     struct cpu_usage curr_all = {0, 0, 0, 0, 0};
-    int diff_idle, diff_total, diff_usage;
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
+    long diff_idle, diff_total;
+#else
+    int diff_idle, diff_total;
+#endif
+    int diff_usage;
     bool colorful_output = false;
 
 #if defined(__linux__)
@@ -153,6 +166,9 @@ void print_cpu_usage(cpu_usage_ctx_t *ctx) {
     curr_all.user = cp_time[CP_USER];
     curr_all.nice = cp_time[CP_NICE];
     curr_all.system = cp_time[CP_SYS];
+#if defined(__DragonFly__)
+    curr_all.system += cp_time[CP_INTR];
+#endif
     curr_all.idle = cp_time[CP_IDLE];
 #if defined(__OpenBSD__)
     curr_all.spin = cp_time[CP_SPIN];